{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["education institution", "place of birth", "place of death", "education degree"], "input": "Wei Zheng  received ((NAM: BS)) in pharmacy from the Zhejiang University College Bachelor of Science Pharmacy in Hangzhou, China; He received a MS in pharmacology from the same college. Zheng later went to study in USA, and obtained Ph.D. in pharmacology and toxicology from the University of Arizona in Tucson."}
{"education institution": [], "place of birth": [], "place of death": [], "education degree": [{"subject": "Wei Zheng ", "object": "Bachelor of Science"}]}